| Date | Value |
|---|---|
| Jun 23, 2024 21:23 | 2.8 ppm |
| Feb 24, 2024 19:08 | 1.2 ppm |
| Jan 13, 2024 17:39 | 6.3 ppm |
| Oct 1, 2023 13:23 | 0.00 ppm |
| Aug 31, 2022 00:32 | 0.00 ppm |
| Jun 15, 2022 20:49 | 0.00 ppm |
| Mar 18, 2022 02:31 | 20 ppm |
| Mar 12, 2022 16:26 | 10 ppm |
| Mar 4, 2022 03:46 | 2 ppm |
| Feb 27, 2022 14:26 | 1 ppm |